package tss;


import java.util.concurrent.locks.ReentrantLock;

public class Ticket implements Runnable {
    private int ticket = 100;
    private Object obj = new Object();
    //实现
    private ReentrantLock lock = new ReentrantLock();

    @Override
    public void run() {
        while (true) {
            try {
                //obj锁对象要是唯一的
                synchronized (obj) {
                    //lock.lock();
                    if (ticket <= 0) {
                        break;
                    } else {
                        Thread.sleep(100);

                        ticket--;
                        System.out.println(Thread.currentThread().getName() + "在卖票，还剩下" + ticket + "张票");
                    }
                }
            } catch (InterruptedException e) {
                e.printStackTrace();
            }

        }
    }
}